Finding the Fourth Proportional to 23,174.32, 31,980.54 and 12,563.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.32 : 31,980.54 = 12,563.86 : x
2. Step 2: Convert to fraction form
   23,174.32/31,980.54 = 12,563.86/x
3. Step 3: Cross multiply
   23,174.32x = 31,980.54 × 12,563.86
4. Step 4: Simplify right side
   23,174.32x = 401,799,027.28
5. Step 5: Solve for x
   x = 401,799,027.28/23,174.32
6. Step 6: Final answer
   x = 17,338.12